Thelyssina is a genus of sea snails, marine gastropod mollusks in the family Seguenziidae.[1]
Thelyssina | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Vetigastropoda |
Family: | Seguenziidae |
Subfamily: | Asthelysinae |
Genus: | Thelyssina Marshall, 1983 |
Type species | |
Thelyssina sterrha Thelyssina sterrha
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Description
editThe conical shell contains a peripheral carina but no axial riblets, spiral lirae or microsculpture. The U-shaped posterior sinus is shallow. The anterolateral sinus is a channel. The basal sinus is present. The columella has no sinus or tooth. The aperture has a rhomboidal shape. There are no data about the radula.[2]
Species
editSpecies within the genus Thelyssina include:
- Thelyssina sterrha Marshall, 1983
References
edit- ^ Thelyssina Marshall, 1983. Retrieved through: World Register of Marine Species on 21 June 2012.
- ^ James F. Quinn Jr., (1991), Systematic Position of Basilissopsis and Guttula, and a Discussion of the Phylogeny of the Seguenzioidea (Gastropoda: Prosobranchia), Bulletin of Marine Science, Volume 49, Numbers 1-2, September 1991, pp. 575-598(24)[permanent dead link]